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Finding the Fourth Proportional to 361,739.79, 499,176.59 and 200,588.88

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Solution

The fourth proportional to 361,739.79, 499,176.59 and 200,588.88 is: 276,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,739.79 : 499,176.59 = 200,588.88 : x
  2. Step 2: Convert to fraction form
    361,739.79/499,176.59 = 200,588.88/x
  3. Step 3: Cross multiply
    361,739.79x = 499,176.59 × 200,588.88
  4. Step 4: Simplify right side
    361,739.79x = 100,129,270,235.46
  5. Step 5: Solve for x
    x = 100,129,270,235.46/361,739.79
  6. Step 6: Final answer
    x = 276,799.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.